1use backend::{Backend, FFT64, Module, VecZnx, VecZnxAlloc, VecZnxToMut, VecZnxToRef};
 2
 3use crate::{GLWECiphertext, GLWECiphertextToMut, GLWECiphertextToRef, GLWEOps, Infos, SetMetaData};
 4
 5pub struct GLWEPlaintext<C> {
 6    pub data: VecZnx<C>,
 7    pub basek: usize,
 8    pub k: usize,
 9}
10
11impl<T> Infos for GLWEPlaintext<T> {
12    type Inner = VecZnx<T>;
13
14    fn inner(&self) -> &Self::Inner {
15        &self.data
16    }
17
18    fn basek(&self) -> usize {
19        self.basek
20    }
21
22    fn k(&self) -> usize {
23        self.k
24    }
25}
26
27impl<DataSelf: AsMut<[u8]> + AsRef<[u8]>> SetMetaData for GLWEPlaintext<DataSelf> {
28    fn set_k(&mut self, k: usize) {
29        self.k = k
30    }
31
32    fn set_basek(&mut self, basek: usize) {
33        self.basek = basek
34    }
35}
36
37impl GLWEPlaintext<Vec<u8>> {
38    pub fn alloc<B: Backend>(module: &Module<B>, basek: usize, k: usize) -> Self {
39        Self {
40            data: module.new_vec_znx(1, k.div_ceil(basek)),
41            basek: basek,
42            k,
43        }
44    }
45
46    pub fn byte_of(module: &Module<FFT64>, basek: usize, k: usize) -> usize {
47        module.bytes_of_vec_znx(1, k.div_ceil(basek))
48    }
49}
50
51impl<D: AsRef<[u8]>> GLWECiphertextToRef for GLWEPlaintext<D> {
52    fn to_ref(&self) -> GLWECiphertext<&[u8]> {
53        GLWECiphertext {
54            data: self.data.to_ref(),
55            basek: self.basek,
56            k: self.k,
57        }
58    }
59}
60
61impl<D: AsMut<[u8]> + AsRef<[u8]>> GLWECiphertextToMut for GLWEPlaintext<D> {
62    fn to_mut(&mut self) -> GLWECiphertext<&mut [u8]> {
63        GLWECiphertext {
64            data: self.data.to_mut(),
65            basek: self.basek,
66            k: self.k,
67        }
68    }
69}
70
71impl<D> GLWEOps for GLWEPlaintext<D>
72where
73    D: AsRef<[u8]> + AsMut<[u8]>,
74    GLWEPlaintext<D>: GLWECiphertextToMut + Infos + SetMetaData,
75{
76}